- MP6638
MP6638
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Description
The MP6638 is a three-phase, sensorless brushless DC (BLDC) motor driver with integrated power MOSFETs. It features sinusoidal sensorless control for better efficiency and low vibration with up to 1.7A of peak phase current.
The input voltage (VIN) ranges from 2.5V to 15V. The MP6638 controls the motor speed through the PWM signal with the PWM input frequency (50Hz to 100kHz). The MP6638 also features rotational speed detection. The rotational speed detector (FG/RD pin) is an open-drain output.
Rich protection includes input over-voltage protection (OVP), under-voltage lockout (UVLO), locked-rotor protection, over-current protection (OCP), and thermal shutdown protection.
The MP6638 is available in a UTQFN-8 (2mmx2.5mm) package.
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Features & Benefits
- 2.5V to 15V Input Operating Voltage (VIN) Range
- Up to 1.7A Peak Phase Current
- Up to 1.2A RMS Phase Current
- Sinusoidal Sensorless Control
- Integrated MOSFETs: HS-FET + LS-FET = 330mΩ
- Supports a 50Hz to 100kHz Pulse-Width Modulation (PWM) Input
- Power-Save Mode
- 30kHz PWM Output Frequency
- Direction Control
- Selectable 1x, 1/2x, 1/3x FG or RD Output
- Over-Current Protection (OCP)
- Maximum Peak Current Protection
- Over-Voltage Protection (OVP)
- Locked-Rotor Protection
- Thermal Shutdown Protection
- Available in a UTQFN-8 (2mmx2.5mm) Package
Active Part Numbers:
MP6638GRPU-xxxx-Z MP6638GRPU-xxxx-P MP6638GRPU-0000-Z MP6638GRPU-0000-P
Part numbers ending in P and Z are the same parts. P and Z only indicates reel size.
Meaning of P & Z
MP6638 Resources
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